NFS Filesystem Disappearing
We have a partition exported using NFS from an AIX 4.3.3 box on
another subnet to a Netra X1 running Sol 8 (latest recommended
patch cluster applied). At boot time the Netra mounts the partition
just fine. However, about three days later, that partition suddenly
becomes unavailable, with the following message on the Netra:
nfs: [ID 664466 kern.notice] NFS getattr failed for server
xxxxx: error 16 (RPC: Failed (unspecified error))
A df gives the following:
df: (/xxxxx) not a block device, directory or mounted resource
If I try to remount it, I get the message:
NFS fsstat failed for server xxxxx: error 5 (RPC: Timed out)
And the only way to clear it is to reboot the Netra, afterwhich it
mounts just fine for three days and occurs again. The server never
becomes unreachable; I can ping it, ssh to it, do a showmount -e
of it, etc, from the Netra just fine even though the NFS mount fails,
and snooping the network shows packets are going back and forth
between the machines, but I still get this time out message.
What's really odd about it is that (a) this mount has been working
fine on the Netra for over half a year and has just started this
behavior the past two weeks, and (b) the partition is also exported
to a Sunfire 280R, also running Solaris 8, also on the same subnet
as the Netra, also plugged into the same router, and it has never
lost the connection to that paritition. Not once. Only the Netra
does, every three days.
Any ideas what's up with the Netra?
